The Washer,key, cataloged under National Stock Number 5310-00-148-1202, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-148-1202 |
| Primary Part Number | 666364 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 666364 | Paradigm Manchester Inc. Dba Pursuit Aerospace (USA) |
| 666364 | Laurel Sheet Metal Products, Inc (USA) |
| 666364 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 666364 | Hanovia Specialty Lighting Llc (USA) |
| 666364 | Whitcraft Llc Dba Pursuit Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 666364 | 5/9 Secondary reference Dynamic Gunver Technologies Llc |
| 666364 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 666364 | 5/9 Secondary reference Instrumatics Inc |
| 666364 | 5/9 Secondary reference Gould E a and Co |
NSN 5310-00-148-1202 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-148-1202 has 5 manufacturer part numbers on file: 666364 (Paradigm Manchester Inc. Dba Pursuit Aerospace), 666364 (Laurel Sheet Metal Products, Inc), 666364 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 666364 (Hanovia Specialty Lighting Llc), 666364 (Whitcraft Llc Dba Pursuit Aerospace).
Key specifications for 666364: Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.